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$238+ Cheap flights from Boston (BOS) to Portugal

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/23. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — LIS
Feb 27 — Mar 61
Thu 2/27
Thu 3/6
1 adult, Economy
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Cheap flight deals from Boston to Portugal

Keep the following information in mind while searching for Boston to Portugal flight deals. Data was last updated February 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$434
(Gotogate)

One-way from

$238
(Mytrip)

Popular in

June

Cheapest in

February

Average price

$639

Good round-trip deal

$468 or less

Good one-way deal

$240 or less
Provider with most accurate pricing for Boston Logan Intl-Lisbon Humberto Delgado flight deals.
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Provider most trusted by Cheapflights users for Boston Logan Intl-Lisbon Humberto Delgado flights.
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From Boston Logan Intl to Portugal
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One-way flight from Boston Logan Intl to Portugal
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Highest demand for flights based on searches. 21% potential increase in price ($225 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($34 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Price to beat on a round-trip flight from Boston Logan Intl to Portugal.
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Price to beat on a one-way flight from Boston Logan Intl to Portugal.
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Find flight deals from Boston to Portugal

Cheapest flights from Boston to Portugal
Explore the most affordable flight options available from Boston to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 22, 2025.

This Gotogate deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/247:20 pmBOS - FNC
1 stop15h 15mPLAY
Tue 4/83:55 pmFNC - BOS
1 stop30h 55mPLAY
Deal found 2/21$434
This Kiwi.com deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/27:15 pmBOS - FAO
1 stop20h 30mPLAY
Wed 5/79:45 pmFAO - BOS
1 stop25h 05mPLAY
Deal found 2/20$454
This Mytrip deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/247:10 pmBOS - PDL
1 stop20h 25mTAP AIR PORTUGAL
Thu 4/37:40 pmPDL - BOS
1 stop22h 35mTAP AIR PORTUGAL
Deal found 2/21$495
This Finnair deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/248:30 amBOS - OPO
1 stop21h 25mMultiple Airlines
Wed 4/28:35 pmOPO - BOS
1 stop23h 25mMultiple Airlines
Deal found 2/21$498
This Kiwi.com deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/36:10 pmBOS - LIS
Nonstop6h 25mMultiple Airlines
Tue 3/259:45 pmLIS - BOS
2 stops24h 15mMultiple Airlines
Deal found 2/21$505
This American Airlines deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/241:10 pmBOS - OPO
2 stops14h 30mAmerican Airlines
Wed 4/28:15 amOPO - BOS
1 stop11h 45mAmerican Airlines
Deal found 2/21$505
This Gotogate deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/75:40 pmBOS - FAO
1 stop34h 10mScandinavian Airlines
Tue 4/228:35 pmFAO - BOS
1 stop24h 00mScandinavian Airlines
Deal found 2/20$505
This Justfly.com deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/227:15 pmBOS - LIS
1 stop20h 05mPLAY
Fri 5/309:20 pmLIS - BOS
1 stop25h 30mPLAY
Deal found 2/21$507
This Booking.com deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/611:55 pmBOS - LIS
1 stop32h 25mVueling
Sun 4/1310:10 pmLIS - BOS
1 stop27h 55mVueling
Deal found 2/21$510
This Cheapflightsfares deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/159:20 pmBOS - OPO
1 stop13h 35mIberia
Fri 10/2412:20 pmOPO - BOS
1 stop12h 30mIberia
Deal found 2/21$513
This Kiwi.com deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/129:40 pmBOS - OPO
1 stop21h 55mLufthansa
Wed 3/191:45 pmOPO - BOS
1 stop33h 50mLufthansa
Deal found 2/21$517
This Delta deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1211:25 amBOS - OPO
2 stops19h 05mDelta
Wed 3/1911:15 amOPO - BOS
1 stop13h 00mDelta
Deal found 2/21$520

Find flights from Boston to Portugal within your budget

Customize your flight search to find flights from Boston to Portugal that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 22, 2025.

Fly from

Boston

Fly to

Portugal

Route

Depart

Return

Price

BostonFunchal

BOS - FNC

BOSFNC

Boston Logan Intl

Mon 3/24

7:20 pm-2:35 pm

1 stop15h 15m

Funchal Madeira

Tue 4/8

3:55 pm-5:50 pm

1 stop30h 55m

$434

BostonFaro

BOS - FAO

BOSFAO

Boston Logan Intl

Fri 5/2

7:15 pm-8:45 pm

1 stop20h 30m

Faro

Wed 5/7

9:45 pm-5:50 pm

1 stop25h 05m

$454

BostonPonta Delgada

BOS - PDL

BOSPDL

Boston Logan Intl

Mon 3/24

7:10 pm-6:35 pm

1 stop20h 25m

Ponta Delgada Nordela

Thu 4/3

7:40 pm-2:15 pm

1 stop22h 35m

$495

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Mon 3/24

8:30 am-9:55 am

1 stop21h 25m

Porto

Wed 4/2

8:35 pm-3:00 pm

1 stop23h 25m

$498

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Mon 3/24

1:10 pm-7:40 am

2 stops14h 30m

Porto

Wed 4/2

8:15 am-3:00 pm

1 stop11h 45m

$505

BostonFaro

BOS - FAO

BOSFAO

Boston Logan Intl

Mon 4/7

5:40 pm-8:50 am

1 stop34h 10m

Faro

Tue 4/22

8:35 pm-3:35 pm

1 stop24h 00m

$505

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Mon 3/3

6:10 pm-5:35 am

Nonstop6h 25m

Lisbon Humberto Delgado

Tue 3/25

9:45 pm-6:00 pm

2 stops24h 15m

$505

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Thu 5/22

7:15 pm-8:20 pm

1 stop20h 05m

Lisbon Humberto Delgado

Fri 5/30

9:20 pm-5:50 pm

1 stop25h 30m

$507

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Sun 4/6

11:55 pm-1:20 pm

1 stop32h 25m

Lisbon Humberto Delgado

Sun 4/13

10:10 pm-9:05 pm

1 stop27h 55m

$510

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Wed 3/12

9:40 pm-11:35 pm

1 stop21h 55m

Porto

Wed 3/19

1:45 pm-7:35 pm

1 stop33h 50m

$517

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/21

Showing 1-10 of 60 results
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Best time to book a flight from Boston to Portugal

Have a flexible travel schedule? Discover the best time to fly to Portugal from Boston with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Boston to Portugal

Get recent, data-driven insights about flights from Boston to Portugal including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Boston to Portugal?

Currently, January is the cheapest month in which you can book a flight from Boston to Portugal (average of $612). Flying from Boston to Portugal in June is currently the most expensive (average of $1,234). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from BOS to PT?

Find hourly flight availability from Boston to Portugal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 22, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 12% on flights from Boston to Portugal by exploring options for tickets in the morning.

What is the cheapest day to fly from Boston to Portugal?

Use this chart to determine the cheapest time to fly round-trip from Boston to Portugal. Price data was last updated on November 3, 2024.

Travelers seeking maximum savings on their Boston to Portugal flight should consider departing on Friday mornings when fares are most often at their lowest. Friday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Boston to Portugal

Explore weekly flight availability from Boston to Portugal. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated February 22, 2025.

The most flights from BOS to PT0 are scheduled on a Friday (9 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (2 on average).

Rainfall in Portugal by month

Plan your trip to Portugal by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Portugal ranges from 0.2 - 4.8 inches per month. December is typically the wettest month, when rainfall can reach 4.8 in. July is typically the driest time to visit Portugal when rainfall is around 0.2 in.

Temperature in Portugal by month

Plan your trip to Portugal by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Portugal, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing Portugal

Get insights into the airlines that provide service to Portugal. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portugal. Reviews last updated February 22, 2025.
Read reviews from past customers who have flown Delta, Porter Airlines and KLM from Boston to Portugal. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,212 reviews

Overall

8.0

Entertainment

7.9

Food

7.3

Comfort

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,212 reviews
Delta
8.0
Very good
8,212 reviews

Overall

8.0

Entertainment

7.9

Food

7.3

Comfort

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Porter Airlines
7.9
Good
277 reviews
Delta
8.0
Very good
8,212 reviews

Overall

8.0

Entertainment

7.9

Food

7.3

Comfort

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,330 reviews
Delta
8.0
Very good
8,212 reviews

Overall

8.0

Entertainment

7.9

Food

7.3

Comfort

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air Transat
7.8
Good
380 reviews
Delta
8.0
Very good
8,212 reviews

Overall

8.0

Entertainment

7.9

Food

7.3

Comfort

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Azores Airlines
7.6
Good
62 reviews
Delta
8.0
Very good
8,212 reviews

Overall

8.0

Entertainment

7.9

Food

7.3

Comfort

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Boston to Portugal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Boston to Portugal?

    Located just 2.6 mi from the city center, Boston Logan Intl (BOS) is the airport most travelers will use when flying to Portugal from Boston.

  • How popular is this Boston to Portugal flight route?

    This flight path from Boston Logan Intl to Portugal was viewed by 263 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What are the cheapest airlines to fly from Boston to Portugal one-way?

    The cheapest airline one-way is TAP AIR PORTUGAL, with whom users have recently found tickets for as low as $238. However, be on the lookout for offers from Azores Airlines and Iberia, as they are both options that can get you from Boston to Portugal for a low price.

  • What are the most popular routes from Boston to Portugal?

    While some choose either Boston Logan Intl - Ponta Delgada Nordela or Boston Logan Intl - Porto, Boston Logan Intl - Lisbon Humberto Delgado is the most popular route from Boston to Portugal.

  • What are the most reliable airlines from Boston to Portugal?

    No one likes to see their flight delayed. When booking a flight from Boston to Portugal consider choosing JetBlue (76%), TAP AIR PORTUGAL (76%) or Emirates (67%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Boston to Portugal?

    Looking for the cheapest flight from Boston to Portugal? While on average our users pay $1,512, our data indicates the cheapest price to be $241. The most popular route (Boston Logan Intl - Lisbon Humberto Delgado), is priced around $373.

  • Can I find deals for flights from Boston to Portugal that include hotel bookings?

    Yes. In addition to deals on Boston to Portugal flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Boston to Portugal?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Portugal.

  • Can I find deals for business class flights from Boston to Portugal?

    Yes. Cheapflights offers flight deals from Boston to Portugal by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Boston to Portugal?

    Currently, January is the cheapest month in which you can book a flight from Boston to Portugal (average of $612). Flying from Boston to Portugal in June is currently the most expensive (average of $1,234). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Alternative routes for Boston to Portugal

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Boston to Portugal

Discover the top 10 airlines that operate flights from Boston to Portugal. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
LEVELCheapest$260Average$686FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$323Average$668FlexibilityNo cancel feeOn-time77%
PLAYCheapest$331Average$511FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$435Average$914FlexibilityNo cancel feeOn-time76%
VuelingCheapest$446Average$704FlexibilityNo cancel feeOn-time88%
IberiaCheapest$500Average$785FlexibilityNo cancel feeOn-time77%
SWISSCheapest$514Average$762FlexibilityNo cancel feeOn-time79%
DeltaCheapest$517Average$905FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$518Average$726FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$519Average$741FlexibilityNo cancel feeOn-time71%
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